Home / 691,800.54-1,036,725.36-326,672.56

Finding the Fourth Proportional to 691,800.54, 1,036,725.36 and 326,672.56

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Solution

The fourth proportional to 691,800.54, 1,036,725.36 and 326,672.56 is: 489,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,800.54 : 1,036,725.36 = 326,672.56 : x
  2. Step 2: Convert to fraction form
    691,800.54/1,036,725.36 = 326,672.56/x
  3. Step 3: Cross multiply
    691,800.54x = 1,036,725.36 × 326,672.56
  4. Step 4: Simplify right side
    691,800.54x = 338,669,727,368.12
  5. Step 5: Solve for x
    x = 338,669,727,368.12/691,800.54
  6. Step 6: Final answer
    x = 489,548.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.